Melrose, Illinois, United States

Visitor Center, Melrose, IL, USA

Government

Lock No. 21, Melrose, IL, USA

Natural • Recreation

Esplanade, Melrose, IL, USA

Mississippi River, Melrose, IL, USA

Scooter Shed, Melrose, IL, USA

Lock & Dam 21 Recreation Area, Melrose, IL, USA

Intermediate Wall, Melrose, IL, USA

Ranger's Storage, Melrose, IL, USA

Control Stand Shelter, Melrose, IL, USA

Central Control Station, Melrose, IL, USA

Workshop, Melrose, IL, USA

Lock and Dam 21, Melrose, IL, USA

Haulage Unter Shelter, Melrose, IL, USA

Smoking Shelter, Melrose, IL, USA

Auxiliary Lock, Melrose, IL, USA

Lock & Dam No. 21, Melrose, IL, USA

Downstream Guide Wall, Melrose, IL, USA

Guard Wall, Melrose, IL, USA

Upstream Guide Wall, Melrose, IL, USA

Dam No. 21, Melrose, IL, USA